diff --git a/Plane.FormationCreator/ViewModels/ControlPanelViewModel.cs b/Plane.FormationCreator/ViewModels/ControlPanelViewModel.cs
index a42bb5e..111fc03 100644
--- a/Plane.FormationCreator/ViewModels/ControlPanelViewModel.cs
+++ b/Plane.FormationCreator/ViewModels/ControlPanelViewModel.cs
@@ -196,7 +196,7 @@ namespace Plane.FormationCreator.ViewModels
                 }));
             }
         }
-        private string _RTKcomvalue = "COM3";
+        private string _RTKcomvalue = "COM7";
         public string RTKcomvalue
         {
             get { return _RTKcomvalue; }